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Finding the Third Proportional to 56,366 and 86,670

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Solution

The third proportional to 56,366 and 86,670 is: 133,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,366 : 86,670 = 86,670 : x
  2. Step 2: Convert to fraction form
    56,366/86,670 = 86,670/x
  3. Step 3: Cross multiply
    56,366x = 86,670 × 86,670
  4. Step 4: Simplify right side
    56,366x = 7,511,688,900
  5. Step 5: Solve for x
    x = 7,511,688,900/56,366
  6. Step 6: Final answer
    x = 133,266.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.